https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110077
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> --- This is going to be hard for me to figure out without access to a Solaris x86 system. Could you please attach the output of this command using GCC trunk on solaris x86? g++ -std=c++23 -include charconv -x c++ /dev/null -E -dD
